Doveot jako LDA

Zdravim, nastavil jsem si dovecot jako LDA, ale stále mi to v logu hazi tuto chybu:

dovecot: deliver(pokus@domena.cz): userdb lookup: connect(/var/run/dovecot/auth-master) failed: No such file or directory

Na netu jsem se dočetl že musim zkonfigurovat auth-master, ale jednak nevim jak a pak nechapu proc to musim delat. Dovecot my funguje jako SASL, takze uz overuje klienty, tak proc to nemuze overovat uplne stejne? Prikladam dovecot.conf

protocols = imap imaps pop3 pop3s
log_timestamp = "%Y-%m-%d %H:%M:%S "
mail_privileged_group = mail
protocol imap {
}

protocol pop3 {
  pop3_uidl_format = %08Xu%08Xv
}
protocol managesieve {
}
auth default {
  mechanisms = plain login cram-md5
  passdb passwd-file {
    args = /etc/dovecot/passwd
  }
  userdb static {
    args = uid=200 gid=200
  }
  socket listen {
    client {
      path = /var/spool/postfix/private/auth
      mode = 0660
      user = postfix
      group = postfix
    }
  }
  user = dovecot-auth
  !include_try /etc/dovecot/auth.d/*.auth
}
dict {
}
plugin {
}
!include_try /etc/dovecot/conf.d/*.conf

#myedit
disable_plaintext_auth = no
first_valid_uid = 200
last_valid_uid = 200
first_valid_gid = 200
last_valid_gid = 200
mail_location = maildir:/var/www/%d/mails/%n
protocol lda {
  postmaster_address = postmaster@syskon.cz
  hostname = mail2.syskon.cz
  mail_plugin_dir = /usr/lib/dovecot/lda
}

Na ukladani mailu pouzivam uzivatele vmail (uid=200, gid=200) pro vsechny Nevite nekdo co s tim? Diky

Dotaz: Doveot jako LDA